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Title: Environmentally friendly solution route to kesterite Cu2ZnSn(S,Se)4 thin films for solar cell applications
Authors: Ho, John C. W.
Zhang, Tianliang
Wong, Lydia Helena
Lam, Yeng Ming
Li, Zhenggang
Lee, Kian Keat
Zeng, Xin
Keywords: DRNTU::Engineering::Materials::Nanostructured materials
Issue Date: 2014
Source: Li, Z., Ho, J. C.W., Lee, K. K., Zeng, X., Zhang, T., Wong, L. H., et al. (2014). Environmentally friendly solution route to kesterite Cu2ZnSn(S,Se)4 thin films for solar cell applications. RSC Advances, in press.
Series/Report no.: RSC advances
Abstract: Quaternary kesterite Cu2ZnSnS4 (CZTS) and Cu2ZnSn(S,Se)4 (CZTSSe) thin films have been prepared from a mixture of CuS, ZnS and SnS2 nanoparticles and solar cells were made from the CZTSSe films. The binary sulfide nanoparticles were pre-synthesized in aqueous solution and then spray deposited onto glass substrates. The nano-sized binary sulfide nanoparticles have a large surface area that provides the driving force for solid-state reactions between the nanoparticles and results in the formation of the quaternary CZTS phase at moderate temperatures. The CZTSSe solar cells were prepared using the binary sulfide nanoparticles films annealed in Se vapor and the cells showed an encouraging efficiency of 5.12% (Voc = 378 mV, Jsc = 26.2 mA/cm2 and FF = 51.7%). Our synthetic approach provides a low-cost, environmentally friendly and easy to scale up option for the preparation of CZTSSe thin films for solar cell applications.
ISSN: 2046-2069
DOI: 10.1039/C4RA03349C
Schools: School of Materials Science & Engineering 
Research Centres: Energy Research Institute @ NTU (ERI@N) 
Rights: © 2014 Royal Society of Chemistry. This is the author created version of a work that has been peer reviewed and accepted for publication by RSC Advances, Royal Society of Chemistry. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [ 10.1039/C4RA03349C].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:ERI@N Journal Articles
MSE Journal Articles

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